ミシマ　サトシ   MISHIMA Satoshi   三島　智    所属   埼玉医科大学  医学部 教養教育    職種   専任講師
論文種別	学術雑誌(原著)
言語種別	英語
査読の有無	査読あり
表題	Revisiting kaon physics in general Z scenario
掲載誌名	正式名：Physics Letters B ISSNコード：0370-2693/1873-2445
出版社	ELSEVIER SCIENCE BV
巻・号・頁	771,37-44頁
著者・共著者	Motoi Endo,Teppei Kitahara,Satoshi Mishima,Kei Yamamoto
発行年月	2017/08/10
概要	New physics contributions to the Zpenguin are revisited in the light of the recently-reported discrepancy of the direct CP violation in K -> pi pi. Interference effects between the standard model and new physics contributions to Delta S= 2observables are taken into account. Although the effects are overlooked in the literature, they make experimental bounds significantly severer. It is shown that the new physics contributions must be tuned to enhance B(K-L -> pi(0) v (v) over bar), if the discrepancy of the direct CP violation is explained with satisfying the experimental constraints. The branching ratio can be as large as 6 x10(-10) when the contributions are tuned at the 10% level. (C) 2017 The Author(s). Published by Elsevier B.V.
DOI	10.1016/j.physletb.2017.05.026
arXiv ID	arXiv:1612.08839
ORCIDのPut Code	71016430
PermalinkURL	http://inspirehep.net/record/1507088